CN214095836U

CN214095836U - Concrete sample error measuring device

Info

Publication number: CN214095836U
Application number: CN202120274620.XU
Authority: CN
Inventors: 辛涛; 宋建良; 吕虹慧
Original assignee: Yantai Construction Engineering Testing Service Center Co ltd
Current assignee: Yantai Construction Engineering Testing Service Center Co ltd
Priority date: 2021-01-30
Filing date: 2021-01-30
Publication date: 2021-08-31
Anticipated expiration: 2031-01-30

Abstract

The application relates to a concrete sample error measurement device, it includes the workstation, is equipped with size measurement device on the workstation, and the workstation is equipped with the bar groove, and the bar inslot is equipped with the conveyer belt, and the bar inslot is equipped with the first elevating gear that the drive conveyer belt goes up and down, and conveyer belt one end is connected with driving motor. First elevating gear shifts up the conveyer belt, and driving motor drives the conveyer belt and rotates, carries the test block to size measurement device, then control conveyer belt moves down, makes the test block fall on the workstation, measures the test block size, shifts up the conveyer belt after the measurement and conveys out size measurement device with the test block, sends into size measurement device with next test block that awaits measuring simultaneously and measures. This application has and does not need artifical manual change test block, improves measurement of efficiency's effect.

Description

Concrete sample error measuring device

Technical Field

The application relates to the field of concrete test block measuring equipment, in particular to a concrete test block error determination device.

Background

The concrete test block is mainly used for measuring indexes such as the compressive strength of concrete, and at present, the concrete test block is generally a cube with the side length of 15cm in China. The compressive strength of a concrete test block is a key index for reflecting the construction quality of engineering concrete, and the size of the test block influences the detection result of the compressive strength, so that the size error of the test block needs to be measured before the test block is tested.

The related art can refer to Chinese patent with publication number CN206832217U and discloses an apparatus for rapidly measuring the size of a concrete test block, which comprises a workbench, wherein a clamping groove for clamping the test block is arranged on the workbench, two groups of measuring parts with the same structure are arranged on the clamping groove, one group is used for measuring the width of the test block, and the other group is used for measuring the length of the test block; the measuring part comprises a butt plate fixed on the clamping groove and used for abutting against the test block, a sliding block arranged on the workbench in a sliding mode and used for abutting against the test block, a driving part used for driving the sliding block to slide left and right, a distance measuring sensor arranged on the sliding block and used for measuring the size of the test block, and a control circuit used for controlling the driving part to drive the sliding block to move left and right; the measuring circuit is used for starting the distance measuring sensor to measure the size of the test block when the sliding block is abutted against the test block.

For the related technology, the inventor thinks that the measuring equipment needs to manually place the test block in the clamping groove when in use, then starts the measurement, needs to manually take out the test block after the measurement, and has lower measuring efficiency when measuring a plurality of test blocks.

SUMMERY OF THE UTILITY MODEL

In order to improve measurement efficiency, the application provides a concrete sample error determination device.

The application provides a concrete sample error measurement device adopts following technical scheme:

the utility model provides a concrete sample error survey device, comprises a workbench, the workstation is established respectively to feed inlet and discharge gate along length direction's both ends, is equipped with size measurement device on the workstation, and size measurement device includes vertical measuring device and two sets of horizontal measurement device that the structure is the same, and two sets of horizontal measurement device's intermediate position is equipped with the bar groove, and the bar groove sets up along the length direction of workstation, and the bar inslot is equipped with the conveyer belt, and vertical measuring device is located the conveyer belt top, and the bar inslot is equipped with the first elevating gear that the drive conveyer belt goes up and down, and conveyer belt one end is connected with driving motor.

Through adopting above-mentioned technical scheme, the user spanes a plurality of test blocks on the bar groove, first elevating gear shifts up the conveyer belt, driving motor drives the conveyer belt and rotates, carry the test block to size measurement device, then first elevating gear control conveyer belt moves down, make the test block fall on the workstation, two sets of level measurement device measure the length and the width of test block, vertical measuring device measures the test block height, shift up the conveyer belt again and convey out size measurement device with the test block, do not need artifical manual change test block, and the measuring efficiency is improved.

Optionally, first elevating gear includes first cylinder and two parallel arrangement's draw runner, draw runner and bar groove sliding connection, has set firmly the push pedal between two draw runners, first cylinder piston rod and push pedal fixed connection, and the conveyer belt is equipped with the riser along length direction's both sides, and the sleeve has been set firmly respectively at the riser both ends, and equal sliding connection has the montant in the sleeve, tip and workstation fixed connection under the montant, rotates between sleeve and draw runner to be connected with the connecting rod of slope.

Through adopting above-mentioned technical scheme, first cylinder drive push pedal removes, makes the sleeve slide along the montant in vertical direction through the connecting rod, and then control riser and conveyer belt reciprocate, realizes conveyer belt to the transport and the separation of test block, and the conveyer belt is no longer to the test block contact during the measurement, avoids the conveyer belt to influence the measurement of size measurement device to the test block, has ensured measuring precision.

Optionally, the vertical measuring device comprises a fixing block, a pressing plate and an L-shaped baffle, the baffle is connected with the fixing block in a sliding mode, the pressing plate is fixedly connected with the fixing block, the workbench is fixedly provided with a supporting plate, the vertical measuring device is located on one side, close to the feeding hole, of the supporting plate, and the supporting plate is provided with a second lifting device for driving the fixing block to lift.

Through adopting above-mentioned technical scheme, the vertical measuring device of second elevating gear control moves down, makes the baffle fall on bar groove top and blocks the test block, and the fixed block continues to move down, and the clamp plate is followed the fixed block and is pushed down, and then measures the test block, then vertical measuring device shifts up, and the conveyer belt continues conveying test block, and the rotation of conveyer belt can not be interfered to the baffle, and simple structure controls conveniently.

Optionally, the horizontal measuring device comprises a butt plate and a second cylinder driving the butt plate to move horizontally, a cylinder body of the second cylinder is fixedly connected with the workbench, the butt plate is fixedly connected with an output end of the second cylinder, and the two groups of butt plates are perpendicular to each other.

Through adopting above-mentioned technical scheme, the second cylinder drives the butt plate and removes to the test block, and two butt plates press from both sides the test block tight location with the baffle cooperation, and two sets of level measurement device are measured the length and width of test block respectively, have ensured measuring precision.

Optionally, the fixed block is equipped with vertical first spout, and the tip is equipped with vertical second spout under the first spout, and the second spout is narrower for first spout, and the baffle upper end sets firmly the first slip table with first spout adaptation, and first slip table upper end sets firmly the second slip table with second spout adaptation, and clamp plate upper end fixedly connected with vertical head rod, fixedly connected with second connecting rod between head rod upper end and fixed block.

Through adopting above-mentioned technical scheme, first slip table slides in first spout, and the second slip table slides in the second spout, and the first slip table of relative broad plays limiting displacement to the baffle, avoids the in-process baffle that the fixed block shifts up and fixed block separation, ensures vertical measuring device's normal use.

Optionally, the second lifting device comprises a rack and a gear meshed with the rack, two parallel connecting plates are fixedly arranged on one side, close to the discharge port, of the supporting plate, a rotating shaft is rotatably connected between the two connecting plates, the gear is fixedly connected with the rotating shaft, the supporting plate is provided with a vertical through groove, the rack is slidably connected with the through groove, and one end, away from the gear, of the rack is fixedly connected with the fixing block.

Through adopting above-mentioned technical scheme, the gear rotates between the connecting plate, drives the rack and slides from top to bottom in leading to the inslot, and then drives vertical measuring device and reciprocates, and the cooperation conveyer belt is measured the height of test block one by one.

Optionally, the rotating shaft is fixedly connected with a worm wheel, the supporting plate is provided with a lifting motor, and an output shaft of the lifting motor is fixedly connected with a worm matched with the worm wheel.

Through adopting above-mentioned technical scheme, elevator motor drives the worm and rotates, and the worm drives the worm wheel and rotates, and then drives gear revolve, is convenient for control vertical measuring device and reciprocates, and the worm wheel and worm has self-locking function, avoids gravity to make vertical measuring device drive elevator motor and reverses the conveying of interference conveyer belt, does not need artifical manual regulation, improves measurement of efficiency, simple structure convenient operation.

Optionally, a first distance measuring sensor is fixedly arranged on each abutting plate, and a second distance measuring sensor is fixedly arranged at the lower end of each fixed block.

By adopting the technical scheme, the first distance measuring sensors on the two butt plates respectively measure the distance between the butt plate where the first distance measuring sensors are located and the baffle, so that the length and the width of the test block are measured, the second distance measuring sensors measure the distance between the fixed block and the lower end face and the upper end face of the workbench, the height of the test block is measured, manual measurement is not needed, labor is saved, and the efficiency is high.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the conveyor belt and the first lifting device, a user places a test block to be tested on the strip-shaped groove, the conveyor belt is moved upwards by the first lifting device to jack up the test block, the drive motor drives the conveyor belt to rotate to convey the test block to the size measuring device, then the conveyor belt is controlled to move downwards to return the test block to the workbench again, the conveyor belt is moved upwards after measurement, the test block is conveyed out of the size measuring device, manual replacement of the test block is not needed, and the measuring efficiency is improved;

2. the vertical measuring device is controlled to move downwards by the second lifting device, so that the baffle falls above the strip-shaped groove to block the test block, the fixed block moves downwards continuously, the baffle and the fixed block slide relatively, the pressing plate presses downwards along with the fixed block to measure the test block, the vertical measuring device moves upwards, the conveyor belt continues to convey the test block, the baffle cannot interfere with the rotation of the conveyor belt, and the structure is simple and convenient to control;

3. through setting up worm wheel and worm, elevator motor drives the worm and rotates, and the worm drives the worm wheel and rotates, and then drives gear revolve, is convenient for control vertical measuring device and reciprocates, and the worm wheel and worm has self-locking function, avoids gravity to make vertical measuring device drive elevator motor and reverses the conveying of interference conveyer belt, does not need artifical manual regulation, improves measurement of efficiency, simple structure convenient operation.

Drawings

Fig. 1 is a schematic view of the overall structure of a concrete sample error measuring apparatus.

Fig. 2 is a schematic view for highlighting the structure of the first lifting device.

Fig. 3 is an enlarged schematic view of a portion a in fig. 1.

Fig. 4 is a schematic view of the second lifting device.

Description of reference numerals: 1. a work table; 11. a feed inlet; 12. a discharge port; 2. a dimension measuring device; 21. a vertical measuring device; 22. a leveling device; 13. a strip-shaped groove; 3. a conveyor belt; 4. a first lifting device; 31. a drive motor; 41. a first cylinder; 42. a slide bar; 43. pushing the plate; 32. a vertical plate; 44. a sleeve; 45. a vertical rod; 46. a connecting rod; 211. a fixed block; 212. a baffle plate; 213. pressing a plate; 14. a support plate; 5. a second lifting device; 221. a butt joint plate; 222. a second cylinder; 2111. a first chute; 2112. a second chute; 2121. a first sliding table; 2122. a second sliding table; 2131. a first connecting rod; 2132. a second connecting rod; 51. a rack; 52. a gear; 141. a connecting plate; 53. a rotating shaft; 142. a through groove; 54. a worm gear; 55. a worm; 56. a lifting motor; 6. a first ranging sensor; 7. a second ranging sensor.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses concrete sample error measurement device.

Referring to fig. 1, the error measuring device for the concrete sample comprises a workbench 1, wherein the workbench 1 is provided with four supporting legs, so that the workbench 1 has a certain height and is convenient for a user to operate; the workbench 1 is made of metal materials with high bearing capacity, and the service life is guaranteed. The size measuring device 2 is mounted on the worktable 1, and the size measuring device 2 measures the size of the test block, thereby measuring the error of the test block. The size measuring device 2 comprises a vertical measuring device 21 and two groups of horizontal measuring devices 22 with the same structure, wherein the vertical measuring device 21 measures the height of the test block, and the two groups of horizontal measuring devices 22 measure the length and the width of the test block respectively.

Referring to fig. 1 and 2, workstation 1 is established respectively to feed inlet 11 and discharge gate 12 along length direction's both ends, workstation 1 is located two sets of horizontal measuring device 22's intermediate position and is equipped with bar groove 13, bar groove 13 width is narrower, the user spanes a plurality of to be measured test blocks in bar groove 13 near the one end top of feed inlet 11, bar groove 13 sets up along workstation 1's length direction, bar inslot 13 is equipped with conveyer belt 3, 3 one end of conveyer belt are connected with driving motor 31, user driving motor 31 can drive conveyer belt 3 and rotate, carry the test block to discharge gate 12 direction, measure through size measuring device 2, do not need artifical manual change to the test block, improve measurement efficiency.

Referring to fig. 1 and 2, riser 32 is installed along length direction's both sides to conveyer belt 3, conveyer belt 3's both ends all rotate with the riser 32 of both sides and are connected, driving motor 31 fixed mounting is on workstation 1, the cavity has been seted up on the workstation 1, riser 32 fixedly connected with mounting panel, driving motor 31 fixed mounting is on the mounting panel, driving motor 31 output shaft passes riser 32 and 3 one end fixed connection of conveyer belt, the user starts driving motor 31, can drive conveyer belt 3 and rotate. Riser 32 both ends respectively fixed mounting have sleeve 44, the equal vertical setting of sleeve 44 all installs montant 45 in four sleeves 44, and tip all carries on spacingly to conveyer belt 3 with workstation 1 fixed connection under montant 45, avoids conveyer belt 3 to break away from workstation 1.

Referring to fig. 1 and 2, the vertical measuring device 21 is located above the conveyor belt 3, and when the conveyor belt 3 conveys test blocks, the upper end surface of the workbench 1 needs to be higher, the conveyor belt 3 is easily deformed to influence the measuring precision, and the strip-shaped groove 13 is internally provided with the first lifting device 4 for driving the conveyor belt 3 to lift. First elevating gear 4 includes first cylinder 41 and two parallel arrangement's draw runner 42, the cylinder body of first cylinder 41 is fixed in bar groove 13 bottom, bar groove 13 bottom is equipped with two recesses along length direction, draw runner 42 slides in the recess, first cylinder 41 piston rod and push pedal 43 fixedly connected with push pedal 43, the user starts first cylinder 41 and can drives push pedal 43 horizontal migration, push pedal 43 both ends respectively with two draw runner 42 fixed connection, make first cylinder 41 drive two draw runner 42 synchronous motion simultaneously.

Referring to fig. 1 and 2, a connecting rod 46 is installed between the sleeve 44 and the slide bar 42, two ends of the connecting rod 46 are respectively connected with the sleeve 44 and the slide bar 42 in a rotating manner, the two connecting rods 46 are both arranged in an inclined manner, and the sleeve 44 is connected with the vertical rod 45 in a sliding manner; the slide 42 slides horizontally, the connecting rod 46 rotates, and the sleeve 44 is driven to slide along the vertical rod 45 in the vertical direction, so as to adjust the height of the conveyor belt 3. When a user starts the first air cylinder 41 to drive the push plate 43 to slide close to the vertical rod 45, the conveyor belt 3 moves upwards until the upper end surface is higher than the upper end surface of the workbench 1, and a test block stretching across the strip-shaped groove 13 is jacked up to move along with the conveyor belt 3; when the test block moves to the size measuring device 2, the first air cylinder 41 drives the push plate 43 to move away from the vertical rod 45, the conveyor belt 3 moves downwards until the upper end face is lower than the upper end face of the workbench 1, the test block is not supported any more, the test block stretches across the strip-shaped groove 13 again and is supported by the workbench 1, and the measuring precision is guaranteed; after the measurement is finished, the first air cylinder 41 is controlled to move the conveyor belt 3 upwards to jack up and convey the test block again, so that the next test block is moved to the size measuring device 2 for measurement.

Referring to fig. 3 and 4, a supporting plate 14 is fixedly arranged on a workbench 1, the supporting plate 14 is vertically fixed on the workbench 1, a vertical measuring device 21 for measuring the height of a test block comprises a fixing block 211, a pressing plate 213 and an L-shaped baffle 212, the fixing block 211 is rectangular, the fixing block 211 is slidably connected to one side, close to a feeding port 11, of the supporting plate 14, the baffle 212 is located at the lower end part of the fixing block 211, an opening of the L-shaped baffle 212 faces towards the feeding port 11 (refer to fig. 1), the baffle 212 comprises two mutually perpendicular and fixed right-angle plates, a right-angle vertex angle is arranged at the intersection of the two right-angle plates, during measurement, one end angle of the test block is clamped into the opening of the baffle 212, the end angle of the test block is matched with the vertex angle, and two adjacent side faces of the test block are respectively attached to the two right-angle plates in parallel; the second lifting device 5 is installed on the supporting plate 14, after the test, the second lifting device 5 drives the vertical measuring device 21 to move upwards, the baffle 212 moves upwards to stop the test block, and then the test block is replaced by the conveyor belt 3 for measurement.

Referring to fig. 3 and 4, the upper end of the baffle 212 is fixedly connected with a second sliding table 2122, a second sliding groove 2112 matched with the second sliding table 2122 is formed in the fixed block 211, when the second lifting device 5 drives the fixed block 211 to move downwards, the lower end of the baffle 212 abuts against the upper surface of the workbench 1, the second sliding table 2122 slides in the second sliding groove 2112, the upper end of the pressing plate 213 is fixedly connected with a vertical first connecting rod 2131, the length of the first connecting rod 2131 is greater than the height of the baffle 212, the lower end surface of the pressing plate 213 and the lower end surface of the fixed block 211 are located on the same plane, a second connecting rod 2132 is fixedly connected between the upper end of the first connecting rod 2131 and the fixed block 211, the pressing plate 213 moves downwards along with the fixed block 211 without interfering with the baffle 212, and when the pressing plate 213 and the upper end surface of the test block, the fixed block 211 stops moving downwards; the lower end of the fixed block 211 is fixedly provided with a second distance measuring sensor 7, and the second distance measuring sensor 7 measures the distance between the lower end of the fixed block 211 and the upper end surface of the workbench 1, namely the height of the test block.

Referring to fig. 1 and 4, a lifting motor 56 is fixedly installed on the support plate 14, a worm 55 is fixedly installed on an output shaft of the lifting motor 56, and the worm 55 can be driven to rotate by the rotation of the lifting motor 56; vertical logical groove 142 has been seted up to backup pad 14, and one side that backup pad 14 is close to discharge gate 12 has set firmly two parallel connecting plates 141, and two connecting plates 141 are located the both sides that lead to groove 142 respectively, rotate between two connecting plates 141 and are connected with axis of rotation 53, axis of rotation 53 one end fixed mounting have with worm 55 complex worm wheel 54, elevator motor 56 rotates and then drives axis of rotation 53 and rotates.

Referring to fig. 1 and 4, the second lifting device 5 includes a rack 51 and a gear 52 engaged with the rack 51, the gear 52 is fixedly connected to an end of the rotating shaft 53 away from the worm wheel 54, and the gear 52 is fixedly installed on a portion of the rotating shaft 53 located between the two connecting plates 141, so that the lifting motor 56 can drive the rack 51 to move. The rack 51 is positioned in the through groove 142 and is in sliding connection with the through groove 142, one side of the rack 51 with the toothed protrusions is close to the discharge hole 12, the lifting motor 56 rotates forwards, the gear 52 is driven to rotate through the meshing of the worm gear 54 and the worm 55, the gear 52 is meshed with the rack 51, the rack 51 is driven to move upwards in the through groove 142, one side of the rack 51 close to the feed port 11 is fixedly connected with the fixed block 211, and the fixed block 211 moves upwards synchronously along with the rack 51, so that the conveyor belt 3 can move upwards to replace test blocks conveniently; the lifting motor 56 reversely transmits to drive the rack 51 to move downwards, so as to drive the fixing block 211 to synchronously move downwards along with the rack 51, and the baffle 212 blocks the next test block for measurement.

Referring to fig. 1, two groups of horizontal measuring devices 22 are perpendicular to each other, each horizontal measuring device 22 includes a contact plate 221 and a second cylinder 222 for driving the contact plate 221 to move horizontally, the second cylinders 222 of the two groups of horizontal measuring devices 22 are respectively installed on two sides of the strip-shaped groove 13 in an inclined manner, the contact plates 221 are fixedly connected with output ends of the second cylinders 222, a user can control the contact plate 221 to move horizontally by starting the second cylinders 222, one ends of the two groups of horizontal measuring devices 22, which are provided with the contact plates 221, are close to each other, when a test block is replaced by the conveyor belt 3, the second cylinders 222 contract, the test block passes through between the two contact plates 221, enters the size measuring device 2, piston rods of the two second cylinders 222 extend, the two contact plates 221 are matched to push the test block to be clamped into an opening of the baffle 212, and the contact plates 221 are matched with the baffle 212 to clamp the test block, so as to guarantee the measuring accuracy; the abutting plates 221 are fixedly provided with first distance measuring sensors 6, the upper end portions of the two abutting plates 221 are provided with the first distance measuring sensors 6, and the distances between the two abutting plates 221 and the baffle 212 are measured respectively, namely the length and the width of the test block.

The implementation principle of the concrete sample error determination device in the embodiment of the application is as follows: when a user starts the first air cylinder 41 to drive the push plate 43 to slide close to the vertical rod 45, the conveyor belt 3 moves upwards until the upper end surface is higher than the upper end surface of the workbench 1, and a test block stretching across the strip-shaped groove 13 is jacked up to move along with the conveyor belt 3; when the test block moves to the size measuring device 2, the first air cylinder 41 drives the push plate 43 to move away from the vertical rod 45, the conveyor belt 3 moves downwards until the upper end face is lower than the upper end face of the workbench 1, the test block is not supported any more, the test block stretches across the strip-shaped groove 13 again and is supported by the workbench 1, and the measuring precision cannot be influenced by the deformation of the conveyor belt 3; after the measurement is finished, the first air cylinder 41 is controlled to move the conveyor belt 3 upwards to jack and convey the test block again, so that the next test block is moved to the position of the size measuring device 2 to be measured, manual replacement of the test block is not needed, and the measurement efficiency is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a concrete sample error measurement device, includes workstation (1), its characterized in that: workstation (1) are established respectively to feed inlet (11) and discharge gate (12) along length direction's both ends, be equipped with size measurement device (2) on workstation (1), size measurement device (2) are including vertical measuring device (21) and two sets of horizontal measurement device (22) that the structure is the same, the intermediate position of two sets of horizontal measurement device (22) is equipped with bar groove (13), bar groove (13) set up along the length direction of workstation (1), be equipped with conveyer belt (3) in bar groove (13), vertical measuring device (21) are located conveyer belt (3) top, be equipped with first elevating gear (4) that drive conveyer belt (3) go up and down in bar groove (13), conveyer belt (3) one end is connected with driving motor (31).

2. The concrete sample error measuring device according to claim 1, wherein: first elevating gear (4) are including first cylinder (41) and two parallel arrangement's draw runner (42), draw runner (42) and bar groove (13) sliding connection, push pedal (43) have set firmly between two draw runners (42), first cylinder (41) piston rod and push pedal (43) fixed connection, conveyer belt (3) are equipped with riser (32) along length direction's both sides, sleeve (44) have set firmly respectively at riser (32) both ends, equal sliding connection has montant (45) in sleeve (44), tip and workstation (1) fixed connection under montant (45), it is connected with connecting rod (46) of slope to rotate between sleeve (44) and draw runner (42).

3. The concrete sample error measuring device according to claim 1, wherein: vertical measuring device (21) includes fixed block (211), clamp plate (213) and "L" shape baffle (212), baffle (212) and fixed block (211) sliding connection, clamp plate (213) and fixed block (211) fixed connection, workstation (1) has set firmly backup pad (14), vertical measuring device (21) are located backup pad (14) and are close to one side of feed inlet (11), backup pad (14) are equipped with second elevating gear (5) that drive fixed block (211) go up and down.

4. A concrete sample error measuring apparatus according to claim 3, characterized in that: the horizontal measuring device (22) comprises a butt plate (221) and a second air cylinder (222) driving the butt plate (221) to move horizontally, a cylinder body of the second air cylinder (222) is fixedly connected with the workbench (1), the butt plate (221) is fixedly connected with an output end of the second air cylinder (222), and the two butt plates (221) are perpendicular to each other.

5. A concrete sample error measuring apparatus according to claim 3, characterized in that: fixed block (211) are equipped with vertical first spout (2111), first spout (2111) lower tip is equipped with vertical second spout (2112), second spout (2112) are narrower for first spout (2111), baffle (212) upper end sets firmly first slip table (2121) with first spout (2111) adaptation, first slip table (2121) upper end sets firmly second slip table (2122) with second spout (2112) adaptation, clamp plate (213) upper end fixedly connected with vertical head rod (2131), fixedly connected with second connecting rod (2132) between head rod (2131) upper end and fixed block (211).

6. A concrete sample error measuring apparatus according to claim 3, characterized in that: second elevating gear (5) including rack (51) and gear (52) with rack (51) meshing, the terminal surface that backup pad (14) are close to discharge gate (12) has set firmly connecting plate (141) of two parallels, it is connected with axis of rotation (53) to rotate between two connecting plate (141), gear (52) and axis of rotation (53) fixed connection, backup pad (14) are equipped with vertical logical groove (142), rack (51) and logical groove (142) sliding connection, rack (51) deviate from one end and fixed block (211) fixed connection of gear (52).

7. The concrete sample error measuring device according to claim 6, wherein: the rotating shaft (53) is fixedly connected with a worm wheel (54), the supporting plate (14) is provided with a lifting motor (56), and an output shaft of the lifting motor (56) is fixedly connected with a worm (55) matched with the worm wheel (54).

8. The concrete sample error measuring device according to claim 4, wherein: and the abutting plate (221) is fixedly provided with a first distance measuring sensor (6), and the lower end part of the fixed block (211) is fixedly provided with a second distance measuring sensor (7).